Hi
please try below IPC demo, This demo demonstrates inter-processor communication (IPC) between Linux and Zephyr using OpenAMP, Remoteproc, and RPMsg. The openamp_rsc_table sample uses a resource table to define shared memory and communication channels.
zephyr/samples/subsys/ipc/openamp_rsc_table at main · zephyrproject-rtos/zephyr · GitHub
Regards
Daniel